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release mode they don't cost anything.


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* Add get previous redeclaration for functions. For now it works with short
redeclaration chains, but it will be improved soon.


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this buffer gets FileID (not fully valid one) and then it gets processed. There
is a problem with the SourceLocations, because the new coming memory buffers 
have to have inclusion source location. I.e the exact location where they got 
#included. In the case of ordinary program everything is #included from the 
main file.

In our case we cannot do that because we don't know how many buffers we will 
end up with and expand the main memory buffer. Even if we knew that wouldn't 
help because our main memory buffer (as main buffer) doesn't have real FileID
and generating a SourceLocation from that doesn't actually work.

If we generate a SourceLocation from a memory buffer that hasn't come from a 
file we will end up with couple of issues. First, we won't be able to print 
proper inclusion stack. Second, those source locations are considered as 
builtins. Last but not least, we confuse the compiler when it does ordering.
Sometimes the compiler needs to know which file came first. In order to do that
it looks up and tries to find the common parent of two source locations and then
compare the offsets. In our case we don't even have common parent.


Chain properly the memory buffers using virtual file (we don't allocate 
anything) of "infinite (1U << 15U)" size and generate valid source location so 
that clang can compare which input became first. 

   +---------------------+
   | Main memory buffer  |
   +---------------------+
   |  Virtual file SLoc  |
   |    address space    |<-----------------+
   |         ...         |<------------+    |
   |         ...         |             |    |
   |         ...         |<----+       |    |
   |         ...         |     |       |    |
   +~~~~~~~~~~~~~~~~~~~~~+     |       |    |
   |     input_line_1    | ....+.......+..--+
   +---------------------+     |       |   
   |     input_line_2    | ....+.....--+
   +---------------------+     |
   |         ...         |     |
   +---------------------+     |
   |     input_line_N    | ..--+  
   +---------------------+


Fixes the issue with the printing of overloads, if they came from different files (included from memory buffers for example). Needed patch in clang.


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Fix the coordinates of vertices for TGeoGtra so that it degenerated into a TGeoTrap when the twist angle is 0.


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In MakeClass fix the insertion of the #include for ROOT classes (strip the include/ and insert only once)


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Port TUDPSocket to Window.


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packages.


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- Removed the build of executable "drop_from_path"
- Added "-b" option to all tests that opens a X11 canvas
- Copy /etc, /icons, /fonts/ when running test from the binary directory


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Tutorial on how to use TUdpSocket.
- udpserver.c is a small UDP echo server
- testTUdpSocket sends a message to the echo server and prints the answer


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Google Storage does not support byte ranges.


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new TUdpSocket class to support UDP communication.


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